Re: C11 conformance: <uchar.h>, TIME_UTC, timespec_get

[Pavel M <pavel.morozkin@gmail.com>]

Hi all,
Any updates?

On Thu, 3 Mar 2022 at 02:16, Pavel M <pavel.morozkin@gmail.com> wrote:

> #include <stdio.h>#include <time.h>
> int main(void)
> {
>     struct timespec ts;
>     timespec_get(&ts, TIME_UTC);
>     char buff[100];
>     strftime(buff, sizeof buff, "%D %T", gmtime(&ts.tv_sec));
>     printf("Current time: %s.%09ld UTC\n", buff, ts.tv_nsec);
>     return 0;
> }
>
> $ gcc t667c.c -std=c11 -pedantic -Wall -Wextra
> t667c.c: In function ‘main’:
> t667c.c:7:5: warning: implicit declaration of function ‘timespec_get’ [-Wimplicit-function-declaration]
>     7 |     timespec_get(&ts, TIME_UTC);
>       |     ^~~~~~~~~~~~
> t667c.c:7:23: error: ‘TIME_UTC’ undeclared (first use in this function)
>     7 |     timespec_get(&ts, TIME_UTC);
>       |                       ^~~~~~~~
> t667c.c:7:23: note: each undeclared identifier is reported only once for each function it appears in
>
> $ echo "#include <uchar.h>" | gcc -xc - -std=c11 -pedantic -Wall -Wextra
> <stdin>:1:10: fatal error: uchar.h: No such file or directory
> compilation terminated.
>
> $ gcc --versiongcc (GCC) 11.2.0
>
> $ uname -a
> CYGWIN_NT-10.0 xxx 3.3.4(0.341/5/3) 2022-01-31 19:35 x86_64 Cygwin
>
> _NEWLIB_VERSION: 4.1.0
> __STDC__: 1 (hm...)
>